2019-12-132022-02-032019-12-132022-02-03https://hdl.handle.net/11124/173937Donor: Colorado Mining Association.Caption reads: "Crew at Portal of Circassian tunnel (Francis Consolidated M & M Co.). Left to right: John Avery; W. C. Francis, Charles Hughes; J. E. Morton; Gene Kune; Harley Mitchener; John Swalgy; Junior Honstien; Bob Alfley Master Mechanic."6 x 3 1/2 inchesblack-and-white photographsCopyright retained by Colorado Mining Association.Underground mining -- ColoradoFrancis Consolidated M & M CompanyMiners -- Colorado -- Lake CountyStillImage